package com.ruoyi.common.utils;

import java.lang.management.ManagementFactory;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.time.LocalDate;
import java.time.LocalDateTime;
import java.time.LocalTime;
import java.time.ZoneId;
import java.time.ZonedDateTime;
import java.util.Date;
import org.apache.commons.lang3.time.DateFormatUtils;

import cn.hutool.core.date.DateUnit;
import cn.hutool.core.date.DateUtil;

/**
 * 时间工具类
 * 
 * @author ruoyi
 */
public class DateUtils extends org.apache.commons.lang3.time.DateUtils
{
    public static String YYYY = "yyyy";

    public static String YYYY_MM = "yyyy-MM";

    public static String YYYY_MM_DD = "yyyy-MM-dd";

    public static String YYYYMMDDHHMMSS = "yyyyMMddHHmmss";

    public static String YYYY_MM_DD_HH_MM_SS = "yyyy-MM-dd HH:mm:ss";

    private static String[] parsePatterns = {
            "yyyy-MM-dd", "yyyy-MM-dd HH:mm:ss", "yyyy-MM-dd HH:mm", "yyyy-MM", 
            "yyyy/MM/dd", "yyyy/MM/dd HH:mm:ss", "yyyy/MM/dd HH:mm", "yyyy/MM",
            "yyyy.MM.dd", "yyyy.MM.dd HH:mm:ss", "yyyy.MM.dd HH:mm", "yyyy.MM"};

    /**
     * 获取当前Date型日期
     * 
     * @return Date() 当前日期
     */
    public static Date getNowDate()
    {
        return new Date();
    }

    /**
     * 获取当前日期, 默认格式为yyyy-MM-dd
     * 
     * @return String
     */
    public static String getDate()
    {
        return dateTimeNow(YYYY_MM_DD);
    }

    public static final String getTime()
    {
        return dateTimeNow(YYYY_MM_DD_HH_MM_SS);
    }
    
    /**
     * 格式化聊天时间模式（仿微信）
     * @param date
     * @return
     */
    public static String getTime(Date date){
		long day = DateUtil.between(date, DateUtil.date(), DateUnit.DAY);
		String time = DateUtil.format(date, "HH:mm");
		Date yesterday = getDayYesterday();
		if(yesterday.compareTo(date) > 0){
			time = "昨天 "+DateUtil.format(date, "HH:mm");
		}
		if(day > 1 && day < 6){
			time = getWeek(date) + " " + DateUtil.format(date, "HH:mm");
		}
		if(day > 5){
			time = DateUtil.format(date, "MM月dd日") + " " + getAm(date) + DateUtil.format(date, "HH:mm");
		}
		if(day > 300){
			time = DateUtil.format(date, "yyyy年MM月dd日") + " " + getAm(date) + DateUtil.format(date, "HH:mm");
		}
    	return time;
    }
    
    /**
     * 格式化聊天时间模式（仿SOUL）
     * @param date
     * @return
     */
    public static String getChatTime(Date date){
		long day = DateUtil.between(date, DateUtil.date(), DateUnit.DAY);
		String time = DateUtil.format(date, "HH:mm");
		if(day > 0){
			time = DateUtil.format(date, "MM月dd日");
		}
		if(day > 300){
			time = DateUtil.format(date, "yyyy年MM月dd日") + " " + getAm(date) + DateUtil.format(date, "HH:mm");
		}
    	return time;
    }
    
    /**
     * 计算是凌晨、上午、下午、晚上
     * @param date
     * @return
     */
    public static String getAm(Date date) {
    	String am = "早上";
		int hour = DateUtil.hour(date, true);
		if (hour >= 0 && hour <= 6) {
			am = "凌晨";
        }
        if (hour > 6 && hour <= 12) {
        	am = "上午";
        }
        if (hour > 12 && hour <= 13) {
        	am = "中午";
        }
        if (hour > 13 && hour <= 18) {
        	am = "下午";
        }
        if (hour > 18 && hour <= 24) {
        	am = "晚上";
        }
    	return am;
    }
    
    /**
     * 计算中文星期几
     * @param date
     * @return
     */
    public static String getWeek(Date date){
    	int day = DateUtil.dayOfWeek(date);
		String[] arr = {"星期天 ","星期一 ","星期二 ","星期三 ","星期四 ","星期五 ","星期六 "};
		String week = arr[day-1];
    	return week;
    }

    public static final String dateTimeNow()
    {
        return dateTimeNow(YYYYMMDDHHMMSS);
    }

    public static final String dateTimeNow(final String format)
    {
        return parseDateToStr(format, new Date());
    }

    public static final String dateTime(final Date date)
    {
        return parseDateToStr(YYYY_MM_DD, date);
    }

    public static final String parseDateToStr(final String format, final Date date)
    {
        return new SimpleDateFormat(format).format(date);
    }

    public static final Date dateTime(final String format, final String ts)
    {
        try
        {
            return new SimpleDateFormat(format).parse(ts);
        }
        catch (ParseException e)
        {
            throw new RuntimeException(e);
        }
    }

    /**
     * 日期路径 即年/月/日 如2018/08/08
     */
    public static final String datePath()
    {
        Date now = new Date();
        return DateFormatUtils.format(now, "yyyy/MM/dd");
    }

    /**
     * 日期路径 即年/月/日 如20180808
     */
    public static final String dateTime()
    {
        Date now = new Date();
        return DateFormatUtils.format(now, "yyyyMMdd");
    }

    /**
     * 日期型字符串转化为日期 格式
     */
    public static Date parseDate(Object str)
    {
        if (str == null)
        {
            return null;
        }
        try
        {
            return parseDate(str.toString(), parsePatterns);
        }
        catch (ParseException e)
        {
            return null;
        }
    }

    /**
     * 获取服务器启动时间
     */
    public static Date getServerStartDate()
    {
        long time = ManagementFactory.getRuntimeMXBean().getStartTime();
        return new Date(time);
    }

    /**
     * 计算相差天数
     */
    public static int differentDaysByMillisecond(Date date1, Date date2)
    {
        return Math.abs((int) ((date2.getTime() - date1.getTime()) / (1000 * 3600 * 24)));
    }

    /**
     * 计算两个时间差
     */
    public static String getDatePoor(Date endDate, Date nowDate)
    {
        long nd = 1000 * 24 * 60 * 60;
        long nh = 1000 * 60 * 60;
        long nm = 1000 * 60;
        // long ns = 1000;
        // 获得两个时间的毫秒时间差异
        long diff = endDate.getTime() - nowDate.getTime();
        // 计算差多少天
        long day = diff / nd;
        // 计算差多少小时
        long hour = diff % nd / nh;
        // 计算差多少分钟
        long min = diff % nd % nh / nm;
        // 计算差多少秒//输出结果
        // long sec = diff % nd % nh % nm / ns;
        return day + "天" + hour + "小时" + min + "分钟";
    }

    /**
     * 增加 LocalDateTime ==> Date
     */
    public static Date toDate(LocalDateTime temporalAccessor)
    {
        ZonedDateTime zdt = temporalAccessor.atZone(ZoneId.systemDefault());
        return Date.from(zdt.toInstant());
    }

    /**
     * 增加 LocalDate ==> Date
     */
    public static Date toDate(LocalDate temporalAccessor)
    {
        LocalDateTime localDateTime = LocalDateTime.of(temporalAccessor, LocalTime.of(0, 0, 0));
        ZonedDateTime zdt = localDateTime.atZone(ZoneId.systemDefault());
        return Date.from(zdt.toInstant());
    }
    
    /**
     * 获取今天最后一秒的时间
     * @return
     */
    public static Date getDayLast(){
    	Date date = DateUtil.tomorrow();
		String dateStr = DateUtil.formatDate(date);
		date = DateUtil.parseDate(dateStr);
		date = DateUtil.offsetSecond(date, -1);
    	return date;
    }
    
    /**
     * 获取昨天最后一秒的时间
     * @return
     */
    public static Date getDayYesterday(){
    	Date date = DateUtil.date();
		String dateStr = DateUtil.formatDate(date);
		date = DateUtil.parseDate(dateStr);
		date = DateUtil.offsetSecond(date, -1);
    	return date;
    }

    /**
     * 获取时间范围简写
     * @param startTime
     * @param endTime
     * @return
     */
	public static String getRangeTime(Date startTime, Date endTime) {
		int year = DateUtil.year(startTime);
		int month = DateUtil.month(startTime)+1;
		int day = DateUtil.dayOfMonth(startTime);
		int startHour = DateUtil.hour(startTime, true);
		int endHour = DateUtil.hour(endTime, true);
		String time = year+"/"+month+"/"+day+" "+startHour+":00~"+endHour+":00";
		return time;
	}
    
}
